#3390AA#3390AA

#3390AA is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.0% C 0.094 H 220.1°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#3390AA
RGBrgb(51, 144, 170)
HSLhsl(193, 54%, 43%)
HSVhsv(193, 70%, 67%)
CMYKcmyk(70%, 15.3%, 0%, 33.3%)
CIE-LABlab(55.63, -18.53, -21.60)
CIE-LCHlch(55.63, 28.46, 229.38°)
OKLaboklab(61.01% -0.0716 -0.0603)
OKLCHoklch(61.01% 0.094 220.1)
XYZxyz(18.5912, 23.5505, 41.5883)
Luminance0.2355 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3390AA #AA4D33
analogous
#33AA88 #3390AA #3354AA
triadic
#3390AA #AA3390 #90AA33
tetradic
#3390AA #8833AA #AA4D33 #54AA33
square
#3390AA #8833AA #AA4D33 #54AA33
split-complementary
#3390AA #AA3354 #AA8833
monochromatic
#17404C #25687B #3390AA #50B0CA #7FC5D9

Accessibility & contrast

On white

3.68
#3390AA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.71
#3390AA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390AA
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3390AA#FFFFFF#000000##000000
##3390AA1.003.685.715.71
#FFFFFF3.681.0021.0021.00
#0000005.7121.001.001.00
##0000005.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#808CAB
Deuteranopia (green-blind)
#7080AA
Tritanopia (blue-blind)
#009998
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #3390aa;
/* rgb */ color: rgb(51, 144, 170);
/* oklch */ color: oklch(61.0% 0.094 220.1);
Tailwind
colors: {
  custom: {
    50: '#7ab0c3',
    500: '#3390aa',
    950: '#000000',
  },
}
SCSS
$custom: #3390aa;
$custom-light: #7ab0c3;
$custom-dark: #000000;
JSON
{
  "hex": "#3390aa",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 170
  },
  "hsl": {
    "h": 193.109,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.61006,
    "c": 0.0936,
    "h": 220.1
  },
  "luminance": 0.23553
}

Semantic roles & 50–950 ramp

primary
#3390AA
secondary
#C28777
accent
#6B4BDD
background
#F8FAFC
surface
#EFF5F8
border
#CACFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #3390AA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3390AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva